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The flow of the rotating domain is entering the surrounding region

    • Kangni Combey

      I am doing the simultion of a propeller using ANSYS Fluent 19.3. 
      The flow of the surounding is not passing through the rotating region, neither the flow from the rotating region is not entering the surounding. 

    • Rob
      Ansys Employee

      Did you set a non-confomal interface between the rotating part and the stationary part? If you're in CFD Post check you're seeing the correct velocity - relative & absolute mix ups can cause the above. I also suggest moving to 2023R1 (R19.3 is from 6 years ago) and post processing in Fluent. 

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